US1119942A - Pocket-filter. - Google Patents

Description

P. G. FAUNTLEROY.

POCKET FILTER.

APPLIGATION Plum JULY 21. 1914.

Patented Dec. 8, 1914.

HIE NORRIS PEYERS C0 PHOTO-LITHO. wnsuuvo 1 w, :1

POWELL C. FAUNTLEROY, OF THE UNITED STATES ARMY.

POCKET-FILTER.

Application filed July 21, 1914.

To all whom it may concern:

Be it known that I, POWELL C. FAUNTLE- nor, surgeon, United States Army, a citizen of the United States, residing at Fortress Monroe, Elizabeth City county, and State of Virginia, have invented. a new and useful Individual Pocket-Filter for the Soldier, of which the following is a specification.

My invention relates to improvements in filters in which a Wrapped metal frame work is employed in conjunction with a canvas bag; and the objects of my improvement are, first, to provide a closely woven cotton fabric to cover the skeleton frame work; second, to provide means for securing the skeleton frame work, wrapped in the filtering material of closely Woven cotton fabric, to the lower inside end of the canvas bag; and, third, to so proportion the size of the covered metal frame work to the canvas bag that the latter may be rolled up like a housewife around the filter contained therein. I attain these objects by the apparatus illustrated in the accompanying drawing, in which- Figure 1 is a perspective view of the water bag, metal frame work, filtering cloth, and container of disinfectant and precipitant powder, disassembled, and emplaced upon a table or the like preparatory to putting together the apparatus; Fig. 2, a detail view of the skeleton metal frame work; Fig. 3, a side elevation of the metal frame work wrapped with the filtering material; and Fig. 4, a perspective View of the apparatus assembled and lashed on the canteen.

Similar numerals refer to similar parts throughout the several views.

The container of disinfectant and precipitant powder, 1, is a small metallic box or case suitable for the pocket and adapted to contain two ounces of any suitable powder. About five grains of such well known disinfecting and precipitating powder is suflicient for a quart of the most grossly polluted water. 98+% of all organisms are removed by the process.

The filtering or wrapping cloth, 2, consists of outing flannel inches long, 4 inches wide, weight 1?; ounces.

The skeleton metal frame work, 3, consists of solid top and bottom plates,1-}x1, four inches apart, and connected by light rods or cross bars as shown; weight of the whole in aluminum equals one ounce.

The canvas bag, 4, for holding a quart or Specification of Letters Patent.

Patented Dec. 8, 1914..

Serial No. 852,137.

more of water, is adapted to contain the metal frame work wrapped with the filter ing material, a closely woven cotton fabric. This frame work is placed in the canvas bag filled with raw water to which the disinfectant and precipitant powder is then added. The water after passing through the filtering cloth into the frame work is discharged into the canteen or cup.

Assemble the filter by first tightly Wrap ping the filtering cloth around metal frame work and carefully securing same by means of tapes; then place in canvas bag, so that the discharge pipe, 5, closed at the upper end and suitably perforated where it runs within the frame work, will project as far as possible through the lower opening of the canvas bag and carefully secure same by the binding cord attached. Sterilize the filter by filling the canvas bag with boiling water several times, after brushing any sediment off the filtering cloth and allow the boiling water to filter through the apparatus several times. This should be done every night.

To use the filter, having previously assembled and sterilized the apparatus, the.

canvas bag is filled with raw water by means of spout or cup, or immersing the whole apparatus in the water. The discharge pipe is then closed by means of the stopper. The disinfectant and precipitant powder is then sifted into the filled canvas bag in sufficient quantity to cover well the surface of the water. is then closed by drawing the puckering strings as shown. After shakingjthe bag well several times, the apparatus is held upright for three minutes to secure the action of the disinfectant and precipitant powder. Then withdraw the stopper and permit the passage of the filtered water into the canteen or cup.

What I claim is:

1. The combination of a rollable water bag, a skeleton frame work constructed and arrangedto be fitted therein at one end so as not to unduly obstruct the capacity or rollability of the bag, and a bandage or wrapper of closely woven fabric adapted to be wound around the skeleton frame, substantially as described.

2. The combination of a bag, a skeleton frame work readily separable therefrom and constructed and arranged to be fitted therein, and a wrapper of filtering fabric readily The upper end of the canvas bag.

separable therefrom and adapted to be.

constructed and arranged to be quickly fitted therein near one end so as not to unduly obstruct the Water holding capacity or the 1b rollability of the bag, and a bandage of filtering fabric separate therefrom and adapted to be Wound around the frame Work, substantially as described.

Ft. Monroe, Va., July 20, 1914.

POWELL C. FAUNTLEROY. Witnesses: 7

JAMES J. GRANT, R. L. EDWARDS.

Copies 5* this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C."

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